In a sign of the severity of this summer’s record heat, one of the two reactors at Connecticut’s only nuclear power plant has been shut down due to historically high water temperatures in Long Island Sound, source of the facility’s cooling water. Unit 2 of Millstone Power Plant near New London was shut down Sunday…

Proposals to build more than 150 hydroelectric dams on Andean tributaries of the Amazon River could have catastrophic ecological impacts, causing the first major breaks between the tributaries and the Amazon and leading to widespread forest loss, according to a study published today in the scientific journal PLoS ONE. The study by researchers at the…